What if you could fight a host of diseases and even increase your longevity just by adding a few delicious servings of fungus to your everyday diet? Paul Stamets, renowned mycologist—that’s a mushroom expert—and TedTalk favorite, fervently believes that mushrooms can save the world. He describes fungi as “the grand molecular disassemblers of nature” due to their transformative ability to generate humus soils from decomposing organic materials. Fungi turn the decay of nature into nutrients for plants, trees, animals, and humans alike. As part of this amazing dance of biosynthesis, mushrooms alchemize Earth’s most powerful elements for the benefit of mankind. Fungi produce our best antibiotics and have medicinal potential for a host of diseases. Certain varieties of mushroom possess psychotropic properties that have been prized for millennia. But these beneficial attributes merely scratch the surface of what the fungi kingdom are up to—which is apt, since most of fungi’s …